package com.ruoyi.file.service;

import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.aliyun.oss.common.auth.CredentialsProviderFactory;
import com.aliyun.oss.common.auth.EnvironmentVariableCredentialsProvider;
import com.aliyun.oss.model.PutObjectRequest;
import com.aliyun.oss.model.PutObjectResult;
import com.ruoyi.common.core.utils.uuid.UUID;
import com.ruoyi.file.config.OssConfig;
import net.bytebuddy.asm.Advice;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;

/**
 * 作者：李嘉浩
 * 时间：2024-09-06-11:16
 * 功能：
 */
@Primary
@Service
public class OssSysFileServiceImpl implements ISysFileService{
    @Autowired
    private OssConfig ossConfig;

    public String uploadFile(MultipartFile file) throws Exception {
        // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
        String endpoint = ossConfig.getEndpoing();
        // 从环境变量中获取访问凭证。运行本代码示例之前，请确保已设置环境变量OSS_ACCESS_KEY_ID和OSS_ACCESS_KEY_SECRET。
        // EnvironmentVariableCredentialsProvider credentialsProvider = CredentialsProviderFactory.newEnvironmentVariableCredentialsProvider();

        // 填写Bucket名称，例如examplebucket。
        String bucketName = ossConfig.getBucketName();
        //获取文件名
        String filename = file.getOriginalFilename();
        String date = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy/MM/dd"));
        String string = UUID.fastUUID().toString();
        String suffix = filename.substring(filename.lastIndexOf("."));

        String objectName=date+"/"+string+suffix;
        String accessKey = ossConfig.getAccessKey();
        String accessSecret = ossConfig.getAccessSecret();
        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint,accessKey,accessSecret);

        try {
            // 创建PutObjectRequest对象。
            PutObjectRequest putObjectRequest = new PutObjectRequest(bucketName, objectName, file.getInputStream());
            // 如果需要上传时设置存储类型和访问权限，请参考以下示例代码。
            // ObjectMetadata metadata = new ObjectMetadata();
            // metadata.setHeader(OSSHeaders.OSS_STORAGE_CLASS, StorageClass.Standard.toString());
            // metadata.setObjectAcl(CannedAccessControlList.Private);
            // putObjectRequest.setMetadata(metadata);

            // 上传文件。
            PutObjectResult result = ossClient.putObject(putObjectRequest);
        } catch (OSSException oe) {
            System.out.println("Caught an OSSException, which means your request made it to OSS, "
                    + "but was rejected with an error response for some reason.");
            System.out.println("Error Message:" + oe.getErrorMessage());
            System.out.println("Error Code:" + oe.getErrorCode());
            System.out.println("Request ID:" + oe.getRequestId());
            System.out.println("Host ID:" + oe.getHostId());
        } catch (ClientException ce) {
            System.out.println("Caught an ClientException, which means the client encountered "
                    + "a serious internal problem while trying to communicate with OSS, "
                    + "such as not being able to access the network.");
            System.out.println("Error Message:" + ce.getMessage());
        } finally {
            if (ossClient != null) {
                ossClient.shutdown();
            }
        }
        return "http://"+bucketName+"."+endpoint+"/"+objectName;
    }
}
